body {
    background-image: url('/cheri/image/background.png'),
                      url('/cheri/image/backgroundB.png');
    background-position: top, bottom;
    background-repeat: repeat-x, repeat-x;
}

html {
    background-image: url('/cheri/image/background.png'), url('/cheri/image/backgroundB.png');
    background-position: top, bottom;
    background-repeat: repeat-x, repeat-x;
}

html, body { min-height: 100%; }